34& MONOCOTYLEDONOUS PLANTS. 



3. //. huronensis Spreng. : lip lanceolate, acuminate, incurved ; seg- 

 ments of the perianth connivent, subulate ; spur about the length of 

 the lip., incurved ; stem leafy. 



HAB. Wet grounds. N. Y. W. to Mich. Aug. It. 



4. //. integra Spreng. : lip oblong, very entire, longer than the in- 

 ner segments of the perianth ; spur subulate, longer than the germ ; 

 bracts shorter than the flower ; stem leafy. Orchis Integra Nutt. 



HAB. Swamps. N. J. July. It Flowers orange yellow, some- 

 what smaller than in Id. ciliaris, to which this species is nearly 

 allied. 



5. //. obsoleta Spreng. : lip lanceolate, very entire ; segments of the 

 perianth erect ; spur obtuse, didymous, as long as the germ ; germ pe- 

 dicillate ; bracts very short ; scape naked. Orchis obsoleta WiUd. 



HAB. Shady places. N. Y. to Vir. ; rare. July, Aug. H 

 Bracts very short. 



6. H. bractcata Drown : lip linear, retuse, obscurely 3- toothed at the 

 extremity ; segments of the perianth connivent ; lateral ones ovate 

 and broader ; spur obtuse, very short, didymous ; bracts spreading, 

 much longer than the flower. Orchis bracteata Willd. 



HAB. Shady places. Vir. July, Aug. It. Stem 8 12 inches 

 high, leafy. Flowers green, in a loose spike. 



7. //. tiidcntata Hook. : lip ovate-lanceolate, obtuse, 3-toothed ; seg- 

 ments of the perianth connivent, obtuse; spur filiform, incurved, longer 

 than the germ. Orchis tridentata II 'Hid. 



HAB. Swamps. Penn. and Vir. June, ,July. If.. Stem 12 

 feet high. Flowers small, white. 



8. H. ciliaris Brown. : lip oblong-lanceolate, pinnately ciliate, twice 

 as long as the segments ; spur longer than the germ. 



HAB. Swamps. Can. to Car. June, July. It. Stem 12 

 feet high, leafy, smooth. Flmcers in a dense terminal spike, 

 orange yellow. Up finely laciniate or fringed. 



9. H. cristata Broicn : lip oblong, pinnately ciliate ; segments of the 

 perianth rounded ; the two lateral ones toothed ; spur shorter than the 

 germ. Orchis cristata Mich. 



HAB. Swamps. Penn. to Car. June, July. If.. Stem 1 2 

 feet high, leafy. Floicers in a terminal spike, somewhat crowd- 

 ed, yellow. Distinguished from the former by its smaller flow- 

 ers and more dense spike. 



10. blephari glottis Hook. : lip lanceolate, fimbriate, as long as the 

 upper segment of the perianth ; spur filiform, pendulous, longer than 

 the germ. Orchis blephariglottis Wilid. 



HAB. Swampy grounds. N. J. to Car. June, July. It- Stem 

 2 feet high. Flowers pure white. Resembles the former and is 

 not very readily distinguished except by its white flowers. 



11. H. cUiottii Beck : lip ovate, toothed and crenate ; spur filiform. 



